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UNSAFE_componentWillUpdate() — react Function Reference

Architecture documentation for the UNSAFE_componentWillUpdate() function in ReactComponentLifeCycle-test.js from the react codebase.

Function javascript BabelCompiler Validation calls 1 called by 1

Entity Profile

Dependency Diagram

graph TD
  79a614fe_2107_6a65_c967_7e46e123cf65["UNSAFE_componentWillUpdate()"]
  fd6a7458_4cee_c738_4ef7_92fe87ffd36f["Component"]
  79a614fe_2107_6a65_c967_7e46e123cf65 -->|defined in| fd6a7458_4cee_c738_4ef7_92fe87ffd36f
  9334599a_ba9b_11fd_d985_306f7bf84e33["UNSAFE_componentWillUpdate()"]
  9334599a_ba9b_11fd_d985_306f7bf84e33 -->|calls| 79a614fe_2107_6a65_c967_7e46e123cf65
  9334599a_ba9b_11fd_d985_306f7bf84e33["UNSAFE_componentWillUpdate()"]
  79a614fe_2107_6a65_c967_7e46e123cf65 -->|calls| 9334599a_ba9b_11fd_d985_306f7bf84e33
  style 79a614fe_2107_6a65_c967_7e46e123cf65 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-dom/src/__tests__/ReactComponentLifeCycle-test.js lines 752–754

      UNSAFE_componentWillUpdate() {
        throw Error('unexpected');
      }

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Frequently Asked Questions

What does UNSAFE_componentWillUpdate() do?
UNSAFE_componentWillUpdate() is a function in the react codebase, defined in packages/react-dom/src/__tests__/ReactComponentLifeCycle-test.js.
Where is UNSAFE_componentWillUpdate() defined?
UNSAFE_componentWillUpdate() is defined in packages/react-dom/src/__tests__/ReactComponentLifeCycle-test.js at line 752.
What does UNSAFE_componentWillUpdate() call?
UNSAFE_componentWillUpdate() calls 1 function(s): UNSAFE_componentWillUpdate.
What calls UNSAFE_componentWillUpdate()?
UNSAFE_componentWillUpdate() is called by 1 function(s): UNSAFE_componentWillUpdate.

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